Home / 426,166,258.88-639,278,256.72-149,783,871.44

Finding the Fourth Proportional to 426,166,258.88, 639,278,256.72 and 149,783,871.44

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Solution

The fourth proportional to 426,166,258.88, 639,278,256.72 and 149,783,871.44 is: 224,685,953.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,166,258.88 : 639,278,256.72 = 149,783,871.44 : x
  2. Step 2: Convert to fraction form
    426,166,258.88/639,278,256.72 = 149,783,871.44/x
  3. Step 3: Cross multiply
    426,166,258.88x = 639,278,256.72 × 149,783,871.44
  4. Step 4: Simplify right side
    426,166,258.88x = 95,753,572,221,095,680
  5. Step 5: Solve for x
    x = 95,753,572,221,095,680/426,166,258.88
  6. Step 6: Final answer
    x = 224,685,953.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.